Led Zeppelin were an English rock band formed in London in 1968. The group consisted of vocalist Robert Plant, guitarist Jimmy Page, bassist/keyboardist John Paul Jones, and drummer John Bonham. They are widely considered one of the most successful, innovative, and influential rock groups in history. Their heavy, guitar-driven sound has led them to be cited as one of the progenitors of heavy metal. Songs like "Stairway to Heaven" remain timeless classics.